A ROOF FALL OF APPROX. DIMENSIONS 80'L X 20'W X 8'-10'H. OCCURRED IN THE NO. 5 ENTRY OF THE #2 SOUTHWEST MAINS AT X-CUT #46. THIS IS APPROX 12,500 OUTBY THE WORKING SECTIONS IN THE MAIN INTAK E ENTRY. NO INJURY AND DAMAGE TO EQUIPMENT OCCURRED. THE FALL WILL NOT BE CLEANED UP.